Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 3.41
Milk (kg) -132.00 -0.014 1.85
Fat (kg) -0.96 -0.375 0.36
Prot (kg) -2.73 -0.441 1.20
Fertility Sub Index 4.10
Calving Interval (days) -2.09 -1.459 3.05
Survival (%) 0.94 1.117 1.05
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 0.58
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 1.84 -0.432 -0.79
Maintenance Sub Index Maint. Sub Index 6.01
Live WT (kg) -19.60 -0.307 6.01
Total Carbon Sub Index 17.93

* Based on an €80/tonne carbon price